Figure 17. Audio Dac And Microphone Mems - STMicroelectronics STM32L476 User Manual

R75 R77
3V
3V
C70
[NA] 0_5%_0402
100nF_X7R_10%_0402
C69 U17
100nF_X7R_10%_0402 1 2
VDD LR
3 AUDIO_CLK
CLK
5 4 AUDIO_DIN
GND DOUT
MP34DT01

Figure 17. Audio DAC and microphone MEMS

PB7 I2C1_SDA
I2C1_SDA
PB6 I2C1_SCL
I2C1_SCL
PE2 SAI1_MCK
SAI1_MCK
PE5 SAI1_SCK
SAI1_SCK
PE6 SAI1_SD
SAI1_SD
PE4 SAI1_FS
SAI1_FS
PE3 AUDIO_RST
AUDIO_RST
R60
10K_1%_0402
C56
1uF_X5R_10%_0603
1uF_X5R_10%_0603
C68
1uF_POL_10%_TANA
C65
100nF_X7R_10%_0402
C62
100nF_X7R_10%_0402
C51
100nF_X7R_10%_0402
C52
100nF_X7R_10%_0402
GND
PE9
AUDIO_CLK
PE7
AUDIO_DIN
R70
51_1%_0402
C64
22nF_X7R_10%_0603
U13
1 15
SDA HP/LINE_OUTA
2 14
SCL HP/LINE_OUTB
3 31
A0 SPKR/HP
37
MCLK
38 4
SCLK SPKR_OUTA+
39 6
SDIN SPKR_OUTA-
40 7
LRCK SPKR_OUTB+
32 9 3V
RESET SPKR_OUTB-
8
VP
10 5
-VHPFILT VP
11
FLYN
30
AIN1B
C57
29
AIN1A
12 26
FLYP AIN2B
25
AIN2A
2V5 24
AIN3B
13 23
+VHP AIN3A
16 22
VA AIN4B
34 21
VD AIN4A
20 19
TSTO VQ
36 28
TSTO AFILTB
33 27
3V VL AFILTA
35 18
DGND FILT+
41 17
GND/Thermal Pad AGND
CS43L22
I2C address 0x94
Title: Audio Codec and Microphone MEMS
Project: STM32L476G-DISCO
Size: A4 Reference:
Date: 6/15/2015
R69
51_1%_0402
C63
22nF_X7R_10%_0603
CN6
2
3
R76
1
0_5%_0402 ST-225-02
C58
100nF_X7R_10%_0402
C50
100nF_X7R_10%_0402
C60
1uF_X5R_10%_0603
C53
150pF_NPO_5%_0603
C59
150pF_NPO_5%_0603
C66
1uF_X5R_10%_0603
MB1184 Revision: C-01
Sheet: 8 of 10